If you are thinking of keeping koi in your pond, it should be at least 4’ deep to give them plenty of depth to swim and develop properly. Plus the added depth provides more room for them to overwinter under the ice.
If you are thinking of keeping koi in your pond, it should be at least 4’ deep to give them plenty of depth to swim and develop properly. Plus the added depth provides more room for them to overwinter under the ice.